Home / 26,818.92-37,011.86-15,488.89

Finding the Fourth Proportional to 26,818.92, 37,011.86 and 15,488.89

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Solution

The fourth proportional to 26,818.92, 37,011.86 and 15,488.89 is: 21,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,818.92 : 37,011.86 = 15,488.89 : x
  2. Step 2: Convert to fraction form
    26,818.92/37,011.86 = 15,488.89/x
  3. Step 3: Cross multiply
    26,818.92x = 37,011.86 × 15,488.89
  4. Step 4: Simplify right side
    26,818.92x = 573,272,628.24
  5. Step 5: Solve for x
    x = 573,272,628.24/26,818.92
  6. Step 6: Final answer
    x = 21,375.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.